Movie

Lost Cause

★ 8.0(1)202525m

Lost Cause isn't available to stream, rent or buy in Japan right now. Availability changes often, so check back soon. Availability checked 16 June 2026.

Where to watch Lost Cause

🇯🇵 Japan

No streaming, rental or purchase options are listed in Japan right now. Availability changes often — try switching your region in the header.

Good to know

Director: Poon Ka Fai
Release date: 2025-01-23
Runtime: 25m
Language: Cantonese
Status: Released
Country: Hong Kong
Studio: Hong Kong Film Directors' Guild - Master Class in Film Directing

About Lost Cause

Lost Cause is a 2025 movie in the Drama genre, directed by Poon Ka Fai, starring Sean Wong Tsz-Lok, Mason Wang Shuai Quan and Fonnie Ng. It has a runtime of 25 minutes. It holds an average rating of 8.0/10 from 1 viewers. Below you can see where to watch Lost Cause in Japan — across streaming, rental and purchase options — along with the full cast, trailer and viewer reviews.

Synopsis

On, a primary school boy, seeks guidance from a Chinese chess scammer, who sets up endgames in the park. The two lonely souls find solace in their mentorship as they lie their ways out.

Cast

Sean Wong Tsz-Lok

Mason Wang Shuai Quan

Uncle

Fonnie Ng

On's Mum

Themes & keywords

playing chess

Frequently asked questions

Where can I watch Lost Cause in Japan?+

Lost Cause is not currently listed on any streaming, rental or purchase service in Japan. Availability changes often, so check back or switch your region.

Is Lost Cause on Netflix?+

Lost Cause is not on Netflix in Japan right now.

How long is Lost Cause?+

Lost Cause has a runtime of 25 minutes (25 minutes).

Who stars in Lost Cause?+

Lost Cause stars Sean Wong Tsz-Lok, Mason Wang Shuai Quan and Fonnie Ng.

When did Lost Cause come out?+

Lost Cause is a 2025 movie directed by Poon Ka Fai.

What genre is Lost Cause?+

Lost Cause is Drama film.

Who directed Lost Cause?+

Lost Cause was directed by Poon Ka Fai.